CN102626867A - Magnetic suspension cylindrical linear movement guide rail pair - Google Patents
Magnetic suspension cylindrical linear movement guide rail pair Download PDFInfo
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- CN102626867A CN102626867A CN2011101213891A CN201110121389A CN102626867A CN 102626867 A CN102626867 A CN 102626867A CN 2011101213891 A CN2011101213891 A CN 2011101213891A CN 201110121389 A CN201110121389 A CN 201110121389A CN 102626867 A CN102626867 A CN 102626867A
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- guide rail
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Abstract
The invention discloses a magnetic suspension cylindrical linear movement guide rail pair. The magnetic suspension cylindrical linear movement guide rail pair comprises supporting racks which are installed at the two ends of a pedestal, cylindrical supporting guide rails which are installed on the supporting racks, and magnetic suspension movable guide rails and magnetism isolating plates which are sleeved on the cylindrical supporting guide rails, and an organ-type shield, wherein the magnetism isolating plates are installed on the two sides of the magnetic suspension movable guide rails; displacement sensors are installed in the circumferential directions of the magnetism isolating plates; and a counter bore is formed on the pedestal and is used for installing the guide rail pair on a lathe body. The magnetic suspension cylindrical linear movement guide rail pair is reasonable in structure, integrates the advantages that the cylindrical guide rails are easy to process and magnetic suspension supports are free of contact and abrasion, high in speed, high in precision and are not required to be lubricated and sealed, can structurally decouple magnetic fields between a power source and the magnetic suspension guide rail pair and each magnetic support in the magnetic suspension guide rails easily, can serialize and modularize functional components of a lathe easily, and can meet a requirement for the performance of a linear feeding system of a high-speed and high-precision numerically-controlled lathe.
Description
Technical field
The present invention relates to the guideway that a kind of precision machine tool and High-speed machining are used, particularly a kind of commercial Application type magnetic suspension cylindrical linear motion guide rail is secondary.
Background technology
Modern Manufacturing Technology just develops towards high speed, precise treatment and modularization direction, and manufacturing industry has proposed increasingly high requirement to the performance of process equipment, and this demand has promoted machine tool industry, especially the development of Digit Control Machine Tool.But, satisfied not the demand for development of Digit Control Machine Tool far away with the industrialized scale and the product level of the supporting functional part of Digit Control Machine Tool.Feed unit is the critical function parts of Digit Control Machine Tool; The last coordinate of workpiece to be machined and contour accuracy all receive the influence of transmission accuracy, sensitivity and the stability of feed unit motion, so it must possess characteristics such as frictional resistance is little, transmission accuracy is high, response speed is fast, rigidity is big.
Guideway is the important composition parts of feed unit; Its surface roughness, linearity and the depth of parallelism directly influence the machining accuracy of part; The advantage that the cylindrical slideway pair has is easily manufactured, be difficult for accumulating big iron filings; But because the wearing and tearing back is difficult to the problem of adjustment and compensate for clearance, it is minimum to make it in numerous guide rails, use.Appearance along with the magnetic suspension bearing technology; The secondary wear problem of cylindrical guide can be resolved, and through the magnetic field force moving guide rail that suspends, can eliminate the quiet guide rail of traditional machine tool and moving guide rail because of contacting the friction that produces; To move guide rail sleeve is contained on the cylindrical bearing guide rail; And, structurally realize the decoupling zero in magnetic field between the moving guide rail at moving guide rail two ends installation magnetism-isolating loop, can simplify control strategy.This guideway can be paired be installed on the bed piece; Workbench is installed on its moving guide rail, when needs are changed the workbench of different size specification, only needs distance between adjustment guideway or the moving way block; Compare with other magnetic suspended guides; Realize separating of magnetic suspended guide and workbench, be more conducive to the modularization and the industrialization of feed unit, satisfied modern manufacturing industry high speed, precise treatment and modular demand for development.
At present, magnetic suspended guide adopts rectangular guideway pair and triangular guide secondary mostly, and moving guide rail and workbench are processed one.In application number is 200310107944.0 patent documentation, a kind of commercial Application type active magnetic suspension machine tool guideway linear electric motors feeding platform has been proposed like Shanghai university; From its Figure of description, can find out the not mentioned employing cylindrical form of its guideway, and workbench and moving guide rail are processed one;
Dalian University Of Communications is to propose a kind of Digit Control Machine Tool in 200820013968.8 the patent documentation with repulsion type magnetic suspension linear feed system at application number; Can know according to its narration; The not mentioned employing cylindrical form of its guideway, and workbench and moving guide rail processed one;
Dalian University Of Communications is to propose a kind of novel numerical control lathe magnetic suspension linear feed system in 200610161995.5 the patent documentation at application number, can know according to its narration, and the not mentioned employing cylindrical form of its guideway, and workbench and moving guide rail processed one;
Changchun Institute of Optics, Fine Mechanics and Physics, CAS is to propose a kind of ultraprecise micrometric displacement magnetic suspension method for guide rail and device in 02132839.0 the patent documentation at application number; Can know according to its narration; What it adopted is the secondary form of V-way; Do not adopt cylindrical form, and workbench and moving guide rail are processed one;
Nantong University is to propose a kind of intelligent magnetic suspension linear feeding unit in 200710026069.1 the patent documentation at application number; Can know according to its narration and Figure of description; The not mentioned employing cylindrical form of its guideway, and workbench and moving guide rail processed one;
Nantong University is the magnetic field decoupling structure that proposes a kind of direct driving magnetic suspension linear feed unit in 201010017657.0 the patent documentation at application number; Can know according to its narration and Figure of description; What its guideway adopted is rectangular in form, and workbench and moving guide rail are processed one;
Shenyang University of Technology is a kind of magnetic suspension feeding platform of liner synchronous motor of digital control machine tool that proposes in the patent documentation of 201020134416.X at application number; Can know according to its narration; The not mentioned employing cylindrical form of its guideway, and workbench and moving guide rail processed one.
Be mentioned to the locating platform of magnetic bearing formula structure in the 11st page of Central South University's Master's thesis " two-stage magnetic suspension platform Dynamical Characteristics ", compare, have following shortcoming with this patent:
(1) is not set with magnetism shielding hood and organ type protective cover at moving guide rail and support rails periphery; Can't realize the decoupling zero in magnetic field between the moving guide rail; The iron filings that produced in the time of can't preventing cut are adsorbed onto on the support rails at magneticaction, and normal process can not get ensureing;
Supporting situation when (2) not mentioned locating platform is not worked in this patent, is not supported by support when workbench is not worked, and guarantees that moving guide rail does not have directly with quiet guide rail and contact, and has avoided moving guide rail to produce wearing and tearing owing to contacting;
(3) not mentioned through regulating between the moving way block distance to satisfy the demand of the workbench that the different length size is installed;
(4) not mentioned every axostylus axostyle (support rails) and mounted thereto two or several moving way blocks are formed a functional part independently, can be through regulating between two guideways distance to satisfy the demand that the different width dimensions workbench is installed.
Guideway is processed independently functional part, the axostylus axostyle of two axostylus axostyles is supported being installed on the same base, and the base size changes according to the change of bed piece size, and it is more serious to have wasted material, can't realize the modularization of guideway.
Can know at present domestic patent and the bibliographical information of not seeing relevant for magnetic suspension cylindrical linear motion guide rail pair by above-mentioned analysis.
Summary of the invention
The object of the invention is exactly a kind of wearing and tearing rational in infrastructure, easy to process, contactless, magnetic field structure decoupling zero convenience will be provided, be beneficial to modularization and be applicable to that the commercial Application type magnetic suspension cylindrical linear motion guide rail of high speed, high-accuracy processing occasion is secondary.
The present invention adopts following technical scheme: a kind of magnetic suspension cylindrical linear motion guide rail is secondary; Comprise parts such as pedestal, bearing support, cylindrical bearing guide rail, magnetcisuspension floating guide rail, magnetic isolation plate; Each parts installation site is: pedestal two ends fixed installation bearing support, and the cylindrical bearing guide rail is installed on the bearing support, and the unsteady guide rail sleeve of magnetcisuspension is contained on the cylindrical bearing guide rail; Magnetic isolation plate is fixed on the both sides of magnetcisuspension floating guide rail, can eliminate the magnetic field coupling between each magnetcisuspension floating guide rail from structure.
This guideway can use in pairs and be installed on the bed piece, and workbench is installed on the magnetcisuspension floating guide rail, drives workbench through power source (linear motor or " turning motor and ball screw ") and realizes the straight-line feed motion.
As optimization: the air gap value is greater than the gap width of its lower surface and pedestal upper surface between said magnetcisuspension floating guide rail magnetic pole inner ring and support rails, and when guaranteeing that lathe is not worked, the workbench on the magnetcisuspension floating guide rail is by base supports.
As optimization: the periphery of said support rails is provided with the organ type protective cover, and protective cover links to each other with each magnetic isolation plate, bearing support, is used to prevent to add the man-hour guideway because residual magnetic and with iron filings absorption on it, guarantees that process can normally carry out.
As optimization: said magnetcisuspension floating guide rail is made up of six magnetic poles, is used to realize the stable suspersion of workbench and accurate guiding.
As optimization: the circumferencial direction of said magnetcisuspension floating guide rail is equiped with horizontal displacement sensors and vertical reference, online detection when being used for work and compensation automatically.
As optimization: have counterbore on the said pedestal, be used for the magnetic suspended guide pair is installed in bed piece.
In the above-mentioned magnetic suspension cylindrical linear motion guide rail pair, magnetic isolation plate is used for realizing each magnetcisuspension floating guide rail magnetic field decoupling from structure; The organ type protective cover is used to prevent to add the man-hour cylindrical guide because residual magnetic and with iron filings absorption on it, guarantees that process can normally carry out; During magnetcisuspension floating guide rail stable suspersion, the air gap value is greater than the gap width between magnetcisuspension floating guide rail lower surface and the pedestal upper surface between magnetcisuspension floating guide rail magnetic pole inner ring and the cylindrical sliding support guide rail, and when not working, the magnetcisuspension floating guide rail drops on the pedestal, by base support; Have counterbore on the pedestal, be used for this guide rail is installed in bed piece, two moving guide rails are installed on each quiet guide rail, between the two and the distance between the guideway can change with bed dimension and adjust; This guide rail can use in pairs, also can mix use with other form guide rails, and workbench is installed on the moving guide rail, can drive it by linear motor or " turning motor and leading screw " mechanism and realize the straight-line feed motion.
Beneficial effect: the present invention is rational in infrastructure; In conjunction with cylindrical slideway be easy to process and that magnetic suspension bearing has is contactless, do not have wearing and tearing, high-speed, high accuracy and do not need the advantage of lubrication and seal; Be easy to structurally realize the decoupling zero in magnetic field between each magnetic bearing in power source and magnetic suspended guide pair and the magnetic suspended guide; Be convenient to realize seriation, the modularization of machine tool functional component, satisfy the performance requirement of high speed, high-accuracy Digit Control Machine Tool linear feeding system.
Description of drawings
Fig. 1 is a magnetic suspension cylindrical linear motion guide rail auxiliary structure sketch map;
Fig. 2 is that the A-A of magnetcisuspension floating guide rail among Fig. 1 is to structural representation;
Fig. 3 is the main sketch map of looking of the secondary practical application of magnetic suspension cylindrical linear motion guide rail;
Fig. 4 is the secondary practical application schematic side view of magnetic suspension cylindrical linear motion guide rail among Fig. 3.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described further:
Embodiment
At first; Magnetic suspension cylindrical linear motion guide rail referring to accompanying drawing 1,2 is secondary; Comprise pedestal 7, be installed in the bearing support 1 at pedestal 7 two ends; Be installed in the cylindrical sliding support guide rail 6 on the bearing support 1, be sleeved on the magnetcisuspension floating guide rail 4 on the cylindrical sliding support guide rail 6, be fixed on the magnetic isolation plate 3,5 at magnetcisuspension floating guide rail 4 two ends; Be sleeved on the cylindrical sliding support guide rail 6 and the organ type protective cover 2 that links to each other with magnetic isolation plate 3, bearing support 1, be installed in the horizontal displacement sensors 8 and vertical reference 9 of magnetcisuspension floating guide rail 4 circumferencial directions.
Referring to accompanying drawing 3,4; During practical application; Straight line magnetic suspension cylindrical guide mounted in pairs of the present invention is on the bed piece 12 that workbench 10 is installed on the magnetcisuspension floating guide rail 4, and zone 11 is used to place linear motor or moving sources such as " turning motor and ball-screws ".
Is that example elaborates below in conjunction with accompanying drawing with a work period of the present invention.
Before the work, the coil no power in the magnetcisuspension floating guide rail 4, non-electromagnetic-force produce, and by pedestal 7 it are supported.
During work; Coil electricity in the magnetcisuspension floating guide rail 4; Magnetcisuspension floating guide rail 4 begins to suspend; After horizontal displacement sensors 8 and vertical reference 9 detect magnetcisuspension floating guide rail 4 and are in the stable suspersion state, realize the straight-line feeds motion by the workbench 10 that motor drives is installed on the magnetcisuspension floating guide rail 4, the magnetic isolation plate 3,5 that is installed in magnetcisuspension floating guide rail 4 two ends makes that magnetic field is not coupled between each moving guide rail.
Behind the end-of-job, motor is outage earlier, magnetcisuspension floating guide rail 4 feed-disablings, treat its static after, reduce the size of current of coil in each moving guide rail gradually, contact with pedestal 7 until magnetcisuspension floating guide rail 4.
Claims (8)
1. a magnetic suspension cylindrical linear motion guide rail is secondary; It is characterized in that: comprise pedestal (7); The two ends of said pedestal (7) are equipped with bearing support (1), and support rails (6) is installed on the said bearing support (1), and support rails (6) is cylindrical; Be set with magnetcisuspension floating guide rail (4) on the said support rails (6), the both sides of magnetcisuspension floating guide rail (4) are provided with magnetic isolation plate (3) and magnetic isolation plate (5).
2. magnetic suspension cylindrical linear motion guide rail according to claim 1 is secondary, and it is characterized in that: the periphery of said support rails (6) is provided with organ type protective cover (2), and said protective cover (2) links to each other with each magnetic isolation plate (3), bearing support (1).
3. magnetic suspension cylindrical linear motion guide rail according to claim 1 is secondary, and it is characterized in that: the circumferencial direction of said magnetcisuspension floating guide rail (4) is equiped with horizontal displacement sensors (8) and vertical reference (9).
4. secondary according to claim 1 or 2 or 3 described magnetic suspension cylindrical linear motion guide rails, it is characterized in that: said magnetcisuspension floating guide rail (4) is made up of six magnetic poles.
5. secondary according to claim 1 or 2 or 3 described magnetic suspension cylindrical linear motion guide rails, it is characterized in that: the air gap value is greater than the gap width of its lower surface and pedestal (7) upper surface between the magnetic pole inner ring of said magnetcisuspension floating guide rail (4) and support rails (6).
6. secondary according to claim 1 or 2 or 3 described magnetic suspension cylindrical linear motion guide rails, it is characterized in that: said pedestal has the counterbore of being convenient to install on (7).
7. magnetic suspension cylindrical linear motion guide rail according to claim 4 is secondary, and it is characterized in that: said pedestal has the counterbore of being convenient to install on (7).
8. magnetic suspension cylindrical linear motion guide rail according to claim 5 is secondary, and it is characterized in that: said pedestal has the counterbore of being convenient to install on (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110121389.1A CN102626867B (en) | 2011-05-11 | 2011-05-11 | Magnetic suspension cylindrical linear motion guide rail pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110121389.1A CN102626867B (en) | 2011-05-11 | 2011-05-11 | Magnetic suspension cylindrical linear motion guide rail pair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102626867A true CN102626867A (en) | 2012-08-08 |
| CN102626867B CN102626867B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110121389.1A Expired - Fee Related CN102626867B (en) | 2011-05-11 | 2011-05-11 | Magnetic suspension cylindrical linear motion guide rail pair |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202470A (en) * | 2018-11-26 | 2019-01-15 | 姜宇喆 | A kind of anti-Caton mechanism of horizontal gap-bed lathe guide rail |
| CN112171306A (en) * | 2020-09-22 | 2021-01-05 | 万小娟 | Magnetic-type high-linear-movement guide rail for numerical control machining |
| CN113084536A (en) * | 2021-04-12 | 2021-07-09 | 南通佳润精密科技有限公司 | Magnetic suspension guide rail for angle-adjustable machine tool equipment |
Citations (6)
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| CN2645340Y (en) * | 2002-08-30 | 2004-09-29 | 中国科学院长春光学精密机械与物理研究所 | Magnetic levitation bearing type ultra-precision micro feeding device |
| CN101136601A (en) * | 2007-08-17 | 2008-03-05 | 南通大学 | Intelligent magnetic suspension linear feeding unit |
| WO2010022637A1 (en) * | 2008-08-24 | 2010-03-04 | Liu Zhongchen | Linear permanent magnet driving system and permanent magnet driving and magnetic suspension roadway system |
| CN101710029A (en) * | 2009-11-05 | 2010-05-19 | 吉林大学 | Ferry sliding table for rail vehicle steering frame parameter detection equipment |
| CN101753067A (en) * | 2010-01-11 | 2010-06-23 | 南通大学 | Magnetic field decoupling structure for direct-driven type magnetic suspension linear feed unit |
| CN202082281U (en) * | 2011-05-11 | 2011-12-21 | 南通大学 | Magnetic suspension cylindrical linear motion guide rail pair |
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2011
- 2011-05-11 CN CN201110121389.1A patent/CN102626867B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2645340Y (en) * | 2002-08-30 | 2004-09-29 | 中国科学院长春光学精密机械与物理研究所 | Magnetic levitation bearing type ultra-precision micro feeding device |
| CN101136601A (en) * | 2007-08-17 | 2008-03-05 | 南通大学 | Intelligent magnetic suspension linear feeding unit |
| WO2010022637A1 (en) * | 2008-08-24 | 2010-03-04 | Liu Zhongchen | Linear permanent magnet driving system and permanent magnet driving and magnetic suspension roadway system |
| CN101710029A (en) * | 2009-11-05 | 2010-05-19 | 吉林大学 | Ferry sliding table for rail vehicle steering frame parameter detection equipment |
| CN101753067A (en) * | 2010-01-11 | 2010-06-23 | 南通大学 | Magnetic field decoupling structure for direct-driven type magnetic suspension linear feed unit |
| CN202082281U (en) * | 2011-05-11 | 2011-12-21 | 南通大学 | Magnetic suspension cylindrical linear motion guide rail pair |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202470A (en) * | 2018-11-26 | 2019-01-15 | 姜宇喆 | A kind of anti-Caton mechanism of horizontal gap-bed lathe guide rail |
| CN109202470B (en) * | 2018-11-26 | 2024-02-06 | 杭州追猎科技有限公司 | Anti-blocking mechanism for guide rail of horizontal saddle lathe |
| CN112171306A (en) * | 2020-09-22 | 2021-01-05 | 万小娟 | Magnetic-type high-linear-movement guide rail for numerical control machining |
| CN113084536A (en) * | 2021-04-12 | 2021-07-09 | 南通佳润精密科技有限公司 | Magnetic suspension guide rail for angle-adjustable machine tool equipment |
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| CN102626867B (en) | 2015-12-02 |
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